You will Watch Winx Club Season 5 Episode 18 online for free episodes with HQ / high quality. Stream cartoons Winx Club Episode 122 The Devourer. Tritannus sends a hungry beast after the Selkies; the Winx must use their training to defeat it. Meanwhile, on planet Domino, the royal families of the magical universe are gathered together to find a way to stop Tritannus. But will they ever agree on a plan?